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bs0d3 (2439278) writes "A judge in Argentina ordered ISPs to block two websites--leakymails.com and leakymails.blogspot.com . According to google many isps have simply blocked the ip 216.239.32.2 instead of a targeted dns filter. Several million blogspot blogs are hosted at this ip.

IP blocking is a blunt method of filtering content that can erase from view large swaths of innocuous sites by virtue of the fact that they are hosted on the same IP address as the site that was intended to be censored. One such example of overblocking by IP address can be found in India, where the IP blocking of a Hindu Unity website (blocked by an order from Mumbai police) resulted in the blocking of several other, unrelated sites.
As Andrade points out, "There are other less restrictive technical procedures than the one used, which allow ISPs to comply with court orders fully, while affecting only the sites involved."

No, anyone who thinks this will effectively censor the websites in question has never worked as a network engineer. If they think messing with the DNS will comply with the court order, then they're probably spot on (how many judges do you know who will be able to work around that, or even know the difference?), and the nerdy people who will change their DNS settings to get around it are also probably not far from using a proxy to access the site in question, which will, incidentally, bypass this type of fil